Quiz  /  Hereditary Patterns

  • 1. 
    What is the name for the sequence of a gene that determines a specific trait like brown eyes?

  • Nucleus
  • Centromere
  • DNA
  • Allele

  • 2. 
    Who do we inherit our DNA from?

  • Parents
  • Cousins
  • Siblings
  • Uncles and aunts

  • 3. 
    Most genes within DNA hold instructions for the cell to make a specific _____.

  • Chromosome
  • Lipid
  • Carbohydrate
  • Protein

  • 4. 
    If someone has a brown eye gene and a blue eye gene, they will have brown eyes. What is the brown eye gene called?

  • Relaxed
  • Passive
  • Incumbent
  • Dominant

  • 5. 
    If someone has a brown eye gene and a blue eye gene, they will have brown eyes. What is the blue eye gene called?

  • Recessive
  • Incumbent
  • Relaxed
  • Dominant

  • 6. 
    When writing genes in a Punnett Square, what type of letter is used for the dominant gene?

  • Italic
  • Upper case
  • Lower case
  • Bold

  • 7. 
    If both parents have one dominant gene and one recessive gene, what percentage of children will exhibit the dominant gene?

  • 75 percent
  • 0 percent
  • 50 percent
  • 25 percent

  • 8. 
    If one parent has two dominant genes and the other parent has two recessive genes, what percentage of children will exhibit the dominant gene?

  • 100 percent
  • 0 percent
  • 50 percent
  • 25 percent

  • 9. 
    If one parent has two recessive genes and the other parent has one dominant and one recessive genes, what percentage of children will exhibit the dominant gene?

  • 75 percent
  • 50 percent
  • 25 percent
  • 0 percent

  • 10. 
    What is it called when two genes are the same (both dominant or both recessive)?

  • Homozygous
  • Heterozygous
  • Impossible
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